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ea-ps_2084-03b [2015/06/07 19:17] – [teardown] kingkevinea-ps_2084-03b [2015/06/08 10:43] – [power supply] kingkevin
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 It will set the voltage and current which are set, actual (measured by the power supply), and [[#mutlimeter|measured]] (measured by the DMM) It will set the voltage and current which are set, actual (measured by the power supply), and [[#mutlimeter|measured]] (measured by the DMM)
  
 +Using [[https://git.cuvoodoo.info/kingkevin/ea-ps_2084-03b/blob/master/probe.rb|this script]] I could also find the following undocumented objects (for commands): 80, 81, 82, 83, 84, 85, 86, 87, 88, 149, 150, 151, 152, 156, 158, 160, 161, 162.
 +These probably allow you to flash the firmware or calibrate the power supply.
 ===== multimeter ===== ===== multimeter =====
  
Line 78: Line 80:
 Finally I found a FT232-based RS232 to USB converter. Finally I found a FT232-based RS232 to USB converter.
 This is an expensive cable (but good quality), from an evil company, and it worked. This is an expensive cable (but good quality), from an evil company, and it worked.
 +
 +Here is the schematic of this cable:
 +
 +{{:ea-ps_2084-03b:ut-d02.svg?400|}}
  
 But instead of using it, I decided to connect the cable to a CP2102-based UART to USB converter. But instead of using it, I decided to connect the cable to a CP2102-based UART to USB converter.
ea-ps_2084-03b.txt · Last modified: 2024/01/07 17:49 by 127.0.0.1